38 lines
1.4 KiB
TypeScript
38 lines
1.4 KiB
TypeScript
import type { Context } from "hono";
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import { prisma } from "../../../lib/prisma";
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import { cache } from "../../../lib/cache";
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const VALID_TYPES = ["BLUE", "BNA", "BELO"] as const;
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export async function getHistoricalMinMax(c: Context) {
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const rawType = c.req.param("type")!.toUpperCase();
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if (!VALID_TYPES.includes(rawType as typeof VALID_TYPES[number])) {
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return c.json({ error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}` }, 400);
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}
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const cacheKey = `quotes:historical:minmax:${rawType}`;
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const cached = cache.get(cacheKey);
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if (cached) return c.json(cached);
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const type = rawType as string;
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const rows = await prisma.$queryRaw<Array<{
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minBuy: number;
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maxBuy: number;
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minBuyDate: string;
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maxBuyDate: string;
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}>>`
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SELECT
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(SELECT MIN(buy::numeric)::float8 FROM "quotes_history" WHERE "type" = ${type}::"QuoteType") AS "minBuy",
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(SELECT MAX(buy::numeric)::float8 FROM "quotes_history" WHERE "type" = ${type}::"QuoteType") AS "maxBuy",
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(SELECT "timeStamp"::text FROM "quotes_history" WHERE "type" = ${type}::"QuoteType" ORDER BY buy::numeric ASC LIMIT 1) AS "minBuyDate",
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(SELECT "timeStamp"::text FROM "quotes_history" WHERE "type" = ${type}::"QuoteType" ORDER BY buy::numeric DESC LIMIT 1) AS "maxBuyDate"
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`;
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const result = rows[0] ?? { minBuy: 0, maxBuy: 0, minBuyDate: null, maxBuyDate: null };
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cache.set(cacheKey, result);
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return c.json(result);
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}
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